The purpose is to obtain a clean and fresh metal surface, to prepare for the final high quality coating, mainly for the removal of rust, rust, dust and other work
Pre plating process:
The surface roughness can reach a certain requirement, through the surface polishing, mechanical polishing, sandblasting, degreasing, rust and other methods to achieve
Degreasing, using solvent and chemical and electrochemical methods to achieve
Derusting, derusting pickling and available mechanical, electrochemical method
Activation treatment, the general erosion of a certain time in a certain time before the activation of the plating treatment;